class AttrValue {
  final String? id;
  final String value;

  AttrValue({this.id, required this.value});

  factory AttrValue.fromJson(Map<String, dynamic> json) {
    return AttrValue(id: json['id'] as String?, value: json['value'] as String);
  }

  Map<String, dynamic> toJson() {
    return {'id': id, 'value': value};
  }
}
